{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["country of administrative divisions", "ethnicity", "country of capital", "place of birth"], "input": "Donald L. Evans ended his fourth and final visit to Beijing as the United States secretary of commerce on Thursday with the same demand he brought on three previous visits in the last three years : that China strengthen its protection of copyrights and patents ."}
{"country of administrative divisions": [{"subject": "China", "object": "Beijing"}], "ethnicity": [], "country of capital": [{"subject": "China", "object": "Beijing"}], "place of birth": []}